package com.facade;

public class DVDPlayer {
    // 使用单例模式，使用饿汉式
    private static DVDPlayer instance = new DVDPlayer();

    public static DVDPlayer getInstance(){
        return instance;
    }

    public void on() {
        System.out.println(" dvd on");
    }

    public void off() {
        System.out.println(" dvd off");
    }

    public void play() {
        System.out.println(" dvd is play");
    }

    public void pause(){
        System.out.println(" dvd is pause");
    }
}
